Volume 10, Number 5—May 2004
Research
Antimicrobial Resistance in Commensal Flora of Pig Farmers
Table 4
Microorganisms |
Prevalence no. (%) |
Prevalence ratio | CI 95% | p value | |||
---|---|---|---|---|---|---|---|
Pig farmers | Nonfarmers | ||||||
Enterococci |
|||||||
Any |
71/109 |
(65.1 |
80/109 |
(73.4) |
0.89 |
0.75 to 1.05 |
0.21 |
Resistant to |
|||||||
Erythromycin |
38/71 |
(53.5) |
46/80 |
(57.5) |
0.93 |
0.70 to .24 |
0.62 |
Vancomycin |
6b/71 |
(8.5) |
10c/80 |
(12.5) |
0.68 |
0.26 to 1.77 |
0.42 |
Enterobacteriad |
|||||||
Any |
103/109 |
(94.5) |
100/109 |
(91.7) |
1.03 |
0.96 to 1.10 |
0.58 |
Resistant to |
|||||||
Ampicillin |
68/103 |
(66.0) |
55/100 |
(55.0) |
1.20 |
0.96 to 1.50 |
0.11 |
Ceftazidime |
0 |
0 |
NAd |
NA |
NA |
||
Streptomycin |
69/103 |
(67.0) |
48/100 |
(48.0) |
1.40 |
1.09 to 1.78 |
<0.01 |
Kanamycin |
29/103 |
(28.2) |
23/100 |
(23.0) |
1.22 |
0.76 to 1.96 |
0.40 |
Gentamicin |
10/103 |
(9.7) |
3/100 |
(3.0) |
3.24 |
0.92 to 11.42 |
0.05 |
Chloramphenicol |
30/103 |
(29.1) |
14/100 |
(14.0) |
2.08 |
1.17 to 3.68 |
<0.01 |
Tetracycline |
73/103 |
(70.9) |
43/100 |
(43.0) |
1.65 |
1.27 to 2.13 |
<0.01 |
Nalidixic acid |
22/103 |
(21.4) |
3/100 |
(3.0) |
7.12 |
2.20 to 23.0 |
<0.01 |
Escherichia colif |
|||||||
Any |
100/109 |
(91.7) |
98/109 |
(89.9) |
1.02 |
0.94 to 1.10 |
0.64 |
Resistant to |
|||||||
Ampicillin |
36/100 |
(36.0) |
34/98 |
(34.7) |
1.04 |
0.71 to 1.51 |
0.85 |
Ceftazidime |
0 |
0 |
NA |
NA |
NA |
||
Streptomycin |
50/100 |
(50.0) |
35/98 |
(35.7) |
1.40 |
1.01 to 1.95 |
0.04 |
Kanamycin |
10/100 |
(10.0) |
12/98 |
(12.2) |
0.82 |
0.37 to 1.80 |
0.62 |
Gentamicin |
2/100 |
(2.0) |
0 |
NA |
NA |
0.99 |
|
Chloramphenicol |
11/100 |
(11.0) |
9/98 |
(9.2) |
1.20 |
0.52 to 2.76 |
0.67 |
Tetracycline |
52/100 |
(52.0) |
23/98 |
(23.5) |
2.22 |
1.48 to 3.32 |
<0.01 |
Cotrimoxazole |
37/100 |
(37.0) |
12/98 |
(12.2) |
3.02 |
1.68 to 5.44 |
<0.01 |
Nalidixic acid |
11/100 |
(11.0) |
0 |
NA |
NA |
<0.01 |
|
Staphylococcus aureus |
4/109 |
(3.7) |
2/109 |
(1.8) |
2.0 |
0.37 to 10.69 |
0.68 |
Yeasts | 19g/109 | (17.4) | 18h/109 | (17.4) | 1.06 | 0.59 to 1.90 | 1.00 |
aMatched fecal samples were available for 109 pig farmers and nonfarmer pairs only.
bEnterococcus faecium: 0, E. gallinarum: 6.
cE. faecium: 2, E. gallinarum: 5, E. casseliflavus: 3.
dUsing direct plating plating on Drigalski agar without or with antimicrobial agents (first technique, see Methods).
eNA, not applicable.
fFrom the predominant fecal flora (second technique, see Methods).
gCandida albicans: 1, Geotrichum sp.: 15, C. glabrata: 2, Rhodolulora sp.: 1.
hC. albicans: 2, Geotrichum sp.: 14, Saccharomyces cerevesia: 2.
Page created: February 22, 2011
Page updated: February 22, 2011
Page reviewed: February 22, 2011
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